<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="新闻标题" prop="newsTitle">
        <el-input v-model="queryParams.newsTitle" placeholder="请输入新闻标题" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="" prop="addTime">
        <el-date-picker clearable v-model="queryParams.addTime" type="date" value-format="YYYY-MM-DD" placeholder="请选择">
        </el-date-picker>
      </el-form-item>
      <el-form-item label="阅读量" prop="readingVolume">
        <el-input v-model="queryParams.readingVolume" placeholder="请输入阅读量" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="新闻分类id" prop="ncId">
        <el-input v-model="queryParams.ncId" placeholder="请输入新闻分类id" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="Plus" @click="handleAdd" v-hasPermi="['ds:news:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="Edit" :disabled="single" @click="handleUpdate"
          v-hasPermi="['ds:news:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="Delete" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['ds:news:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="Download" @click="handleExport"
          v-hasPermi="['ds:news:export']">导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="newsList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="" align="center" prop="id" />
      <el-table-column label="新闻标题" align="center" prop="newsTitle" />
      <el-table-column label="新闻内容" align="center" prop="newsContent" width="155">
        <template #default="scope">
          <span class="eclipse-2" v-text="scope.row.newsContent"></span>
        </template>
      </el-table-column>
      <el-table-column label="新闻图片" align="center" prop="newsImage" width="100">
        <template #default="scope">
          <image-preview :src="scope.row.newsImage" :width="50" :height="50" />
        </template>
      </el-table-column>
      <el-table-column label="" align="center" prop="addTime" width="180">
        <template #default="scope">
          <span>{{ parseTime(scope.row.addTime, "{y}-{m}-{d}") }}</span>
        </template>
      </el-table-column>
      <el-table-column label="状态" align="center" prop="status">
        <template #default="scope">
          <span>{{ scope.row.status == 1 ? "正常" : "删除" }}</span>
        </template>
      </el-table-column>
      <el-table-column label="阅读量" align="center" prop="readingVolume" />
      <el-table-column label="新闻分类id" align="center" prop="ncId" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['ds:news:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)"
            v-hasPermi="['ds:news:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize" @pagination="getList" />

    <!-- 添加或修改新闻对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="newsRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="新闻标题" prop="newsTitle">
          <el-input v-model="form.newsTitle" placeholder="请输入新闻标题" />
        </el-form-item>
        <el-form-item label="新闻内容">
          <editor v-model="form.newsContent" :min-height="192" />
        </el-form-item>
        <el-form-item label="新闻图片" prop="newsImage">
          <image-upload v-model="form.newsImage" :limit="3" />
        </el-form-item>

        <el-form-item label="状态" prop="status">
          <el-select v-model="form.status" placeholder="请输入状态" clearable>
            <el-option label="正常" :value="1"></el-option>
            <el-option label="删除" :value="2"></el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="阅读量" prop="readingVolume">
          <el-input v-model="form.readingVolume" placeholder="请输入阅读量" />
        </el-form-item>

        <el-form-item label="新闻分类id" prop="ncId">
          <el-input v-model="form.ncId" placeholder="请输入新闻分类id" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="News">
import { listNews, getNews, delNews, addNews, updateNews } from "@/api/ds/news";

const { proxy } = getCurrentInstance();

const newsList = ref([]);
const open = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    newsTitle: null,
    newsContent: null,
    newsImage: null,
    addTime: null,
    status: null,
    readingVolume: null,
    ncId: null,
  },
  rules: {},
});

const { queryParams, form, rules } = toRefs(data);

/** 查询新闻列表 */
function getList() {
  loading.value = true;
  listNews(queryParams.value).then((response) => {
    newsList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

// 取消按钮
function cancel() {
  open.value = false;
  reset();
}

// 表单重置
function reset() {
  form.value = {
    id: null,
    newsTitle: null,
    newsContent: null,
    newsImage: null,
    addTime: null,
    status: null,
    readingVolume: null,
    ncId: null,
  };
  proxy.resetForm("newsRef");
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  handleQuery();
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map((item) => item.id);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
function handleAdd() {
  reset();
  open.value = true;
  title.value = "添加新闻";
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset();
  const _id = row.id || ids.value;

  getNews(_id).then((response) => {
    form.value = response.data;

    // form.value.status = 1

    open.value = true;
    title.value = "修改新闻";
  });
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["newsRef"].validate((valid) => {
    if (valid) {
      if (form.value.id != null) {
        updateNews(form.value).then((response) => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        addNews(form.value).then((response) => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.id || ids.value;
  proxy.$modal
    .confirm('是否确认删除新闻编号为"' + _ids + '"的数据项？')
    .then(function () {
      return delNews(_ids);
    })
    .then(() => {
      getList();
      proxy.$modal.msgSuccess("删除成功");
    })
    .catch(() => { });
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download(
    "ds/news/export",
    {
      ...queryParams.value,
    },
    `news_${new Date().getTime()}.xlsx`
  );
}

getList();
</script>
<style>
.eclipse-2 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  /* 限制为2行 */
  overflow: hidden;
  line-height: 1.5;
  /* 根据实际行高调整 */
  max-height: 3em;
  /* 2行 x 1.5行高 = 3em */
}
</style>
